Phone contact with only area code and prefix

there is no app or setting for something like that. you just need to have the caller id option. just make sure that the number the employee's get are tied in with the company and you should be good to go.....i would also have a talk with your telecommunication company as well. there really is nothing you can do on the phone side that i know of.

 

It's the later digits that are more important for caller ID than the prefixes (e.g. it identifies the same number with or without country codes), so I'm pretty certain you'd have to rewrite the called ID software for this to work.

 

It is easy, if you really need it I will add it to my current app to auto associate any call log that have prefix matched to an existed contact.
The things you have to do that use Tasker/Automate to call my app service when have a new call.

 

The main things I need to know that how many people will use it, if it above 500 per day, I will make it live in next 2-3 days. I don't want to add feature that noone use to my app.